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APV MS4/MSP4 Membrane Valves

These valves are designed for aseptic processing systems, for example cold aseptic filling systems in the food & beverage industries, product handling downstream to UHT plants in the dairy industry or for pharmaceutical applications.

Brief characteristics

  • Type: sanitary, membrane, with pneumatic drive
  • Types: shut-off (overlapping), regulating flow, outlet pipes of the tank
  • Dimensions: ISO 1" - 4" external. Ø pipes, DIN DN25-100
  • Connecting parts: Butt welding end (S), clips ISO-Clamp / Tri-Clamp (CL)
  • Surface treatment: internal polishing to Ra < 0.8 µl

The lineup: MS4: MS41 (L), MS42 (T), MSE41 (KLL), MSES45 (LLS), MST42 (T). MSP4: MSP41 (L), MSP42 (T), MSPT42 (T).

Apv MS4 aseptic valve

Comply with strict quality and safety standards

Schematic and principle of operation

Схема седельного клапана MS4

  1. Yoke
  2. Bolted housing closure
  3. Flexible flat membrane
  4. Piston shaft
  5. Spherical body
  6. Round valve seat

The opening and closing of the valve performed either by a pneumatic actuator or manually by means of a crank. During opening and closing, the diaphragm is continuously supported by a unique fan support system, which relieves process pressure on the diaphragm, thus protecting it against overstress and/or pressure spikes. This system significantly increases diaphragm reliability and lifetime.

Open position

Мембрана в открытой позиции

  1. Yoke
  2. Reciprocating fan
  3. Valve housing
  4. Seat seal
  5. Valve shaft
  6. Diaphragm 50% supported

Closed position

Мембрана в закрытой позиции

  1. Yoke
  2. Static fan
  3. Valve shaft
  4. Valve housing
  5. Seat seal
  6. Diaphragm 100% supported


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